Khungu anthu ntchito

Nchito ya pakhungu zosiyanasiyana ndipo iwo onse mbali yofunika kwambiri mu thupi la munthu. Choyamba, chivundikiro lathu lachibadwa amateteza thupi. Chikopa - mtundu wa chotchinga pakati pa kachitidwe mkati ndi dziko lakunja. Kuti amalola kuteteza thupi ku mabala, mikwingwirima ndi kuthamanga, mwachitsanzo asatengere makina. Sungani deta kwa ife mwa chikhalidwe ndi chimakwirira chifukwa cha mankhwala - zidulo ndi alkalis, akapanda ichi, palibe mtengo, moyo wathu. Khungu amatiteteza asatengere chokhwima zachilengedwe (dzuwa, mphepo, kutentha ndi kuzizira) komanso malowedwe mu thupi la tizilombo toyambitsa matenda ndi matenda osiyanasiyana, ultraviolet ndi kunyezimira infuraredi.

Mawotchi zoteteza ntchito ya khungu akutsatiridwa chifukwa cha luso khungu kubwezeretsa, komanso chifukwa kapangidwe zotanuka wa dermis, ndi katundu enieni CHIKWANGWANI ake. Major udindo atsatire kanthu udzapereka kuteteza pamwamba wosanjikiza a chivundikirocho lathu lachibadwa. Mphamvu ndi elasticity wa khungu anaonetsetsa ndi kukhalapo mu kapangidwe kake mapulotini lipids. Dermis ntchito kuphimba kukana achilengedwe chotupa ndi kanthu makina.

An zoteteza ntchito yofunika kwambiri khungu ndi kuteteza thupi chifukwa cha kuwala kwa magetsi. Kuwonjezera dzuwa, zimakhudza anthu ali ndi cheza ultraviolet. The stratum corneum wa khungu kuteteza auka woyamba ku mavuto obwera chifukwa cha kuwala kwa magetsi. cheza ultraviolet, ali mu uthunthu wina, chifukwa yankho zoipa mlingo wa khungu. Zimenezi zingachititse dzuwa, ndipo kenako, ndipo khansara. cheza ultraviolet, amene amatha kulowa mu zigawo zakuya za dermis ndi, kumapangitsanso kudziwa dzuwa ndi kutsogolera kukalamba msanga pa chivundikiro chilengedwe cha thupi. Yankho ndi mapangidwe khungu n'komwe. Choncho wambirimbiri pigment kuti zimatenga cheza ali mu uthunthu osiyana. mtundu wa khungu pa nthawi yomweyo kusintha kwa mdima. Choncho, maselo a thupi ndiotetezedwa ku insolation mkulu.

Ntchito khungu ndi akulowa thupi gawo mu kuwombola mpweya. Kudzera zigawo zachilengedwe chivundikiro amatha kulowa mpweya, amoniya, mpweya woipa ndi sulfide wa hydrogen. Pa nkhani imeneyi, ntchito kupuma wa khungu n'komwe pa njira zodzikongoletsera. Ziyenera adzanyamula kukumbukira pamene mukumwa osambira, ndi ntchito zochizira matope umathandizanso.

Khungu ndi udindo yokonza thermoregulation thupi komanso. Onse m'nyengo yozizira ndi m'chilimwe chifukwa mlingo wake kutentha sasintha ndipo pa kuzungulira 36,6 madigiri.

Malowedwe mwa njira tsitsi mafuta ndipo zosiyanasiyana zinthu mankhwala m'gulu kugwira ntchito zakudya wa khungu. Mbali imeneyi zili m'gulu la chitukuko cha zodzikongoletsera creams ndi mavutowo. Masamba mafuta ndi nyama mafuta, zowonjezera zakudya ndi mavitamini m'gulu mankhwala ndi odzipereka mu khungu ndipo mmenemo zotsatira zake achire.

Mu ntchito khungu anthu akuphatikizapo kutha kutisambitsa yokha. Udindo waukulu mu ndondomeko ili kwa thukuta ndi zopangitsa sebaceous, imene thupi amatulutsa mankhwala ena zoipa za kagayidwe (urea, amoniya, etc.).